Problems solved: 22

x[x]	Zero sequence	Many digits
Viet said	Angle chasing	Tan-Sin
Obtuser	Small triangle	Sequence
Friendly Team	Fractions	Triangle in Hexagon
Integer sequence	Interesting permutations	Teleporting button
Probability computer	Smallest fraction	Unordered triplet
Four equal angles	Difference of squares	Uneven numbers
2020 digit

Games

Under construction